What is the blind zone of the ultrasonic sensor?

The blind zone is between 0.3m and 0.5m, depending on the selected range.

What certifications does the product have?

The product holds CE certification.

What is the warranty and after-sales service?

We provide warranty and after-sales service, including 24-hour support and training.

Iot Water Quality Sensor High Resolution Ultrasonic Liquid Level Meter RS485 Output Use for Waste Wate

Name: Iot Water Quality Sensor High Resolution Ultrasonic Liquid Level Meter RS485 Output Use for Waste Wate
Brand: Shanghai Boqu Instrument Co., Ltd.
SKU: 1914045841

Shanghai, ChinaShanghai Boqu Instrument Co., Ltd.

US$189.00

1-4 Pieces

US$179.00

5+ Pieces

Product profile

Customization

Available

After-sales Service

Provided

Warranty

Provided

Model NO.

BQ-ULM

Range

5, 8, 10, 12, 15m

Blind Zone

0.3-0.5m(Different for Range)

Display Resolution

1mm

Frequency

20~350kHz

Power

12-24VDC;Consumption:<1.5W

Output

4~20mA Rl>600;(Standard), 1~5V\1~10V

Communication

Modbus RTU RS485

Relay

2 Relays (AC: 5A 250V DC: 10A 24V)

Material

ABS

Dimension

92mm*198mm*M60

Protection

IP65(Others Optional)

Connection

Electrical Interface:M20*1.5

Transport Package

Carton Box

Specification

46*45*106cm

Trademark

BOQU

Origin

Shanghai, China

HS Code

90278099

Production Capacity

1500PCS/Month

Key features

Wide Voltage Input: Supports DC 12-24V wide work voltage for stable operation.

High Precision: Features 1mm display resolution for accurate level monitoring.

Flexible Output Options: Standard 4-20mA output with optional 1-5V/1-10V and RS485.

Strong Anti-Interference: Digitalized design ensures reliable performance in complex environments.

IP65 Waterproof: ABS material and IP65 protection rating for durable use.

OEM/ODM Support: 20+ years R&D experience supporting custom solutions.

Multi-Application: Suitable for waste water, drinking water, fish farming, and pools.

Easy Integration: RS485 Modbus RTU communication for easy PLC connection.

Company profile

Shanghai Boqu Instrument Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2014-01-06 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤6.68h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShanghai Boqu Instrument Co., Ltd. is identified as a China-based manufacturer established in 2007, with 111 employees and operations in Pudong, Shanghai. It produces electrochemical instrumentation and electrodes, including pH, conductivity, dissolved oxygen, turbidity, ion concentration, and flow-measurement products. The supplier reports ISO9001:2015 and ISO14001:2015 certifications, two production lines, a 1,368 m² manufacturing plant, ten years of R&D engineer experience, and six to ten quality-control staff. Its export activity began in 2014, with exports representing 21%–30% of sales. The company states that it provides after-sales service and uses advanced technology and equipment, but the slices do not provide measurable service performance, innovation outputs, customization evidence, or detailed customer case results.

Supplier typeThe supplier is classified as a manufacturer and is described as a professional manufacturer of electrochemical instrumentation and electrodes with R&D, production, and sales capabilities. Its registered address and factory location are both in Pudong, Shanghai, China.

CertificationsThe supplier reports holding ISO9001:2015 and ISO14001:2015 management-system certificates. These explicitly support quality-management and environmental-management certification, although certificate scope or validity details are not provided.

After-Sales capabilityThe company explicitly states that it focuses on after-sales service and offers “perfect after-sales service,” and claims this has helped earn customer and partner trust. However, no service-team size, response-time data, warranty terms, or service records are provided.

Production capacityThe supplier reports a manufacturing plant of 1,368 m², two production lines, six to ten quality-control staff, and ten years of R&D engineer experience. Its product range covers multiple electrochemical instruments and sensors, and it is identified as the manufacturer of listed BOQU products, providing explicit evidence of production capability.